Model comparison
MiMo-V2.5-Pro vs Nemotron 3 Ultra
MiMo-V2.5-Pro and Nemotron 3 Ultra score almost the same on the Noometry Index (44.8 vs 44.7), so choose on price, context window or the category you care about most.
Last verified . 22 shared benchmarks.
NVIDIASummary
- They share 22 benchmarks with published results for both. MiMo-V2.5-Pro scores higher in 5 categories and Nemotron 3 Ultra in 3 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Nemotron 3 Ultra leads 52.5 to 41.5.
- The biggest single-benchmark swing is ProofBench: 22% for MiMo-V2.5-Pro and 2% for Nemotron 3 Ultra.
- MiMo-V2.5-Pro is cheaper at $0.43 / $0.87 per million input/output tokens, against $0.60 / $2.40 for Nemotron 3 Ultra.
- MiMo-V2.5-Pro accepts more context: 1.05M tokens versus 262K.
Side by side
| MiMo-V2.5-Pro | Nemotron 3 Ultra | |
|---|---|---|
| Provider | Xiaomi | NVIDIA |
| Noometry Index | 44.8 | 44.7 |
| Released | 2026-04-22 | 2026-06-04 |
| Weights | Open | Open |
| Context window | 1.05M | 262K |
| Max output | 131K | 128K |
| Input $ / M tokens | $0.43 | $0.60 |
| Output $ / M tokens | $0.87 | $2.40 |
| Results tracked | 27 | 29 |
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Category by category
Coding MiMo-V2.5-Pro leads
MiMo-V2.5-Pro: 47.0 (#58), Nemotron 3 Ultra: 37.7 (#174)
| Benchmark | MiMo-V2.5-Pro | Nemotron 3 Ultra |
|---|---|---|
| SciCode | 50.2% | 40.3% |
| LMArena Coding | 1502 | 1468 |
| FrontierCode | — | 13.6% |
| LMArena WebDev | 1477 | — |
| WeirdML | — | 43.5% |
| ALE-Bench | 899.8 | — |
Reasoning Nemotron 3 Ultra leads
MiMo-V2.5-Pro: 25.9 (#124), Nemotron 3 Ultra: 30.3 (#78)
| Benchmark | MiMo-V2.5-Pro | Nemotron 3 Ultra |
|---|---|---|
| CritPt | 4% | 3.1% |
| LMArena Hard Prompts | 1487 | 1452 |
| DTBench | 84.5% | 90.1% |
| LMCA | 29.5% | 36.9% |
| NYT Connections (extended) | 34.4% | — |
| Chess Puzzles | — | 12% |
| Mystery Game Puzzles | — | 20% |
| Epoch Capabilities Index | — | 146.2 |
Math MiMo-V2.5-Pro leads
MiMo-V2.5-Pro: 38.6 (#84), Nemotron 3 Ultra: 34.4 (#160)
| Benchmark | MiMo-V2.5-Pro | Nemotron 3 Ultra |
|---|---|---|
| ProofBench | 22% | 2% |
| LMArena Math | 1480 | 1456 |
| OTIS Mock AIME 2024-2025 | — | 86.7% |
Knowledge Nemotron 3 Ultra leads
MiMo-V2.5-Pro: 41.5 (#100), Nemotron 3 Ultra: 52.5 (#56)
| Benchmark | MiMo-V2.5-Pro | Nemotron 3 Ultra |
|---|---|---|
| LMArena Expert | 1501 | 1472 |
| GPQA Diamond | — | 85.4% |
Multilingual MiMo-V2.5-Pro leads
MiMo-V2.5-Pro: 55.3 (#33), Nemotron 3 Ultra: 53.7 (#61)
| Benchmark | MiMo-V2.5-Pro | Nemotron 3 Ultra |
|---|---|---|
| LMArena Non-English | 1449 | 1427 |
| LMArena Chinese | 1507 | 1498 |
| LMArena French | 1489 | 1475 |
| LMArena German | 1455 | 1471 |
| LMArena Korean | 1436 | 1387 |
| LMArena Russian | 1450 | 1415 |
| LMArena Spanish | 1470 | 1452 |
| LMArena Japanese | 1418 | — |
Instruction Following MiMo-V2.5-Pro leads
MiMo-V2.5-Pro: 77.6 (#21), Nemotron 3 Ultra: 74.9 (#84)
| Benchmark | MiMo-V2.5-Pro | Nemotron 3 Ultra |
|---|---|---|
| LMArena Instruction Following | 1477 | 1417 |
Long Context MiMo-V2.5-Pro leads
MiMo-V2.5-Pro: 45.4 (#38), Nemotron 3 Ultra: 43.9 (#77)
| Benchmark | MiMo-V2.5-Pro | Nemotron 3 Ultra |
|---|---|---|
| LMArena Longer Query | 1482 | 1437 |
Writing & Preference Too close to call
MiMo-V2.5-Pro: 65.5 (#47), Nemotron 3 Ultra: 66.3 (#35)
| Benchmark | MiMo-V2.5-Pro | Nemotron 3 Ultra |
|---|---|---|
| LMArena Text | 1465 | 1444 |
| LMArena Creative Writing | 1440 | 1392 |
| EQ-Bench Creative Writing | 1493 | 1692 |
| LMArena Multi-Turn | 1477 | 1412 |
| EQ-Bench 4 | 1208 | — |
Frequently asked questions
Is MiMo-V2.5-Pro better than Nemotron 3 Ultra?
MiMo-V2.5-Pro and Nemotron 3 Ultra score almost the same on the Noometry Index (44.8 vs 44.7), so choose on price, context window or the category you care about most.
Which is cheaper, MiMo-V2.5-Pro or Nemotron 3 Ultra?
MiMo-V2.5-Pro is cheaper. It lists at $0.43 per million input tokens and $0.87 per million output tokens; Nemotron 3 Ultra lists at $0.60 and $2.40.
Is MiMo-V2.5-Pro or Nemotron 3 Ultra better for coding?
MiMo-V2.5-Pro scores higher on coding benchmarks: 47.0 versus 37.7 in the Noometry coding category.
Which has the bigger context window?
MiMo-V2.5-Pro does, with 1.05M tokens against 262K.
How many benchmarks do MiMo-V2.5-Pro and Nemotron 3 Ultra share?
22 benchmarks have published results for both models. MiMo-V2.5-Pro has 27 scored results on Noometry and Nemotron 3 Ultra has 29.